Prove that cos pi/16=1/2sqrtof 2+sqrt of 2+sqrt of 2?
Prove that #cos (pi/16)=1/2sqrt(2+sqrt(2+sqrt2))?#
Prove that
1 Answer
Mar 22, 2018
Explanation:
We know that,
Also,...
Using (1) we get
Taking squareroot of both sides,
Again using (1) we get
Taking squareroot of both sides ,